From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 257BE4595B; Mon, 8 Jan 2024 13:29:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="iBXA75HU" Received: from pps.filterd (m0353724.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 408CHLB6015324; Mon, 8 Jan 2024 13:29:51 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=fRcpG3K5aBySJZn0hYQ5lUtmriysL7b79gX2wLnVQWU=; b=iBXA75HUuYeW3rG+UY9FGQj9s4Pzm9KWCnnYx/38MrN68EFkvsqsfJImWzLpv6eNRDYn KoorAmg+GJe24tZha7clzr+K3BoPfPAzo5HE2WJZXeLlepXTJBuNLYWPvwCV/ZcrTsxu iF/58uEUHbJ1orWzrCZvY8dnpbhh1sQrFqYJ3s+xUmMcrxPC5IOk2XxIKUvneNXs+4y0 Fj704sr9ru+t+DfrKQwUn6ISse3I5IHCvgzlNJQVwBz5mQb4JOMk/zEvPSz8BVbfZAht FcnFMTwk0OP1SMEeCkEmaPkPZCrUGxQhVP90lJRK4uduQXVbAmotpfespd8imp/Twjv3 sA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3vf7u8ru8f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 Jan 2024 13:29:50 +0000 Received: from m0353724.ppops.net (m0353724.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 408DGmSw028523; Mon, 8 Jan 2024 13:29:50 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3vf7u8ru86-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 Jan 2024 13:29:50 +0000 Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 408DOoD3004427; Mon, 8 Jan 2024 13:29:49 GMT Received: from smtprelay02.fra02v.mail.ibm.com ([9.218.2.226]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3vfjpkfxxy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 08 Jan 2024 13:29:49 +0000 Received: from smtpav04.fra02v.mail.ibm.com (smtpav04.fra02v.mail.ibm.com [10.20.54.103]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 408DTknx19399396 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 8 Jan 2024 13:29:46 GMT Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5966220043; Mon, 8 Jan 2024 13:29:46 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 339EA2004D; Mon, 8 Jan 2024 13:29:46 +0000 (GMT) Received: from a46lp67.lnxne.boe (unknown [9.152.108.100]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 8 Jan 2024 13:29:46 +0000 (GMT) From: Janosch Frank To: kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, imbrenda@linux.ibm.com, thuth@redhat.com, david@redhat.com, nsg@linux.ibm.com, nrb@linux.ibm.com Subject: [kvm-unit-tests PATCH 2/5] lib: s390x: sigp: Dirty CC before sigp execution Date: Mon, 8 Jan 2024 13:29:18 +0000 Message-Id: <20240108132921.255769-3-frankja@linux.ibm.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240108132921.255769-1-frankja@linux.ibm.com> References: <20240108132921.255769-1-frankja@linux.ibm.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: uC5Kto5jL1S7fRW1C2lILYnPlze9g5dy X-Proofpoint-ORIG-GUID: 0d7CO8QpE93fCXvAYaMCHV1NfXxUTa2t X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-08_04,2024-01-08_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 suspectscore=0 adultscore=0 impostorscore=0 mlxlogscore=614 bulkscore=0 mlxscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401080115 Dirtying the CC allows us to find missing CC changes when sigp is emulated. Signed-off-by: Janosch Frank --- lib/s390x/asm/sigp.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/s390x/asm/sigp.h b/lib/s390x/asm/sigp.h index 61d2c625..d73be1ef 100644 --- a/lib/s390x/asm/sigp.h +++ b/lib/s390x/asm/sigp.h @@ -49,13 +49,17 @@ static inline int sigp(uint16_t addr, uint8_t order, unsigned long parm, uint32_t *status) { register unsigned long reg1 asm ("1") = parm; + uint64_t spm_cc = SIGP_CC_NOT_OPERATIONAL << SPM_CC_SHIFT; int cc; asm volatile( + " spm %[spm_cc]\n" " sigp %1,%2,0(%3)\n" " ipm %0\n" " srl %0,28\n" - : "=d" (cc), "+d" (reg1) : "d" (addr), "a" (order) : "cc"); + : "=d" (cc), "+d" (reg1) + : "d" (addr), "a" (order), [spm_cc] "d" (spm_cc) + : "cc"); if (status) *status = reg1; return cc; -- 2.40.1